Não informado. (1972). Journal of contemporary business. University of Washington, Graduate School of Business Administration.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Journal of Contemporary Business. Seattle, Wash: University of Washington, Graduate School of Business Administration, 1972.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Journal of Contemporary Business. University of Washington, Graduate School of Business Administration, 1972.
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